I tried [and failed] to make a new channel avatar [also birthday video]

I started this channel when I was thirteen, and wow does it need a makeover.
It is a shame I have no idea what I am doing.
Music from the Microsoft Video Editor.

[@שירולףבן-שחר]

Slaaaayyy❤❤❤❤

[@LightsandVessels]

Happy birthday 😮

[@zohardoesart]

Thank you! Sorry for the late reply.